A novel small scale Microbial Fuel Cell design for increased electricity generation and waste water treatment

Papaharalabos, George; Greenman, John; Melhuish, Chris; Ieropoulos, Ioannis

doi:10.1016/j.ijhydene.2015.01.117

Cited by 65 publications

(38 citation statements)

References 27 publications

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“…Another important finding was the effect of anode working volume on power output and COD reduction efficiency. As can be seen in Figure 7, when normalised for anodic working volume, higher power was generated from the smaller volume (10 mL) than the larger (50 mL) and with an inverse relationship for the tested volumes in between; this is in line with previous reports [25,26]. Treatment (COD) efficiency showed the opposite, and although the percentage reduction varied between 69-74% for all tested parameters, higher COD reduction was recorded for the larger volume experiments; this may have been the result of the fixed flow rate and fixed substrate concentration chosen for this line of experiments, and should therefore be further investigated under different fixed conditions.…”

Section: Discussionsupporting

confidence: 91%

Novel Analytical Microbial Fuel Cell Design for Rapid in Situ Optimisation of Dilution Rate and Substrate Supply Rate, by Flow, Volume Control and Anode Placement

2018

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A new analytical design of continuously-fed microbial fuel cell was built in triplicate in order to investigate relations and effects of various operating parameters such as flow rate and substrate supply rate, in terms of power output and chemical oxygen demand (COD) removal efficiency. This novel design enables the microbial fuel cell (MFC) systems to be easily adjusted in situ by changing anode distance to the membrane or anodic volume without the necessity of building many trial-and-error prototypes for each condition. A maximum power output of 20.7 ± 1.9 µW was obtained with an optimal reactor configuration; 2 mM acetate concentration in the feedstock coupled with a flow rate of 77 mL h −1 , an anodic volume of 10 mL and an anode electrode surface area of 70 cm 2 (2.9 cm 2 projected area), using a 1 cm anode distance from the membrane. COD removal almost showed the reverse pattern with power generation, which suggests trade-off correlation between these two parameters, in this particular example. This novel design may be most conveniently employed for generating empirical data for testing and creating new MFC designs with appropriate practical and theoretical modelling.

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Section: Discussionsupporting

confidence: 91%

Novel Analytical Microbial Fuel Cell Design for Rapid in Situ Optimisation of Dilution Rate and Substrate Supply Rate, by Flow, Volume Control and Anode Placement

2018

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“…As regards new materials, many recent works have pointed to the benefits, in terms of power output, of using microporous cathodes or modified anodes [80,105,106]. In addition, the use of ceramic membranes or the replacement of platinum catalysts by other less expensive materials, such as manganese oxide, metal macrocycle compounds or enzymes, has led to reductions in the cost of MFCs and a wider application range [75,156].…”

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confidence: 99%

Recent progress and perspectives in microbial fuel cells for bioenergy generation and wastewater treatment

Hernández-Fernández

Ríos

Salar-García

et al. 2015

Fuel Processing Technology

176

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“…These results were expected because heat pretreated carbon brushes would lead to a more open, accessible architecture of the electrodes and therefore optimal graphite fiber utilization [12]. The maximum power densities produced by the original carbon brushes was 880 mWm À2 , and the heat pretreated carbon brush electrodes increased power by 20%e 1056 mWm À2 .…”

Section: Resultsmentioning

confidence: 85%

Bioelectricity generation from pig farm wastewater in microbial fuel cell using carbon brush as electrode

et al. 2016

International Journal of Hydrogen Energy

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A novel small scale Microbial Fuel Cell design for increased electricity generation and waste water treatment

Cited by 65 publications

References 27 publications

Novel Analytical Microbial Fuel Cell Design for Rapid in Situ Optimisation of Dilution Rate and Substrate Supply Rate, by Flow, Volume Control and Anode Placement

Novel Analytical Microbial Fuel Cell Design for Rapid in Situ Optimisation of Dilution Rate and Substrate Supply Rate, by Flow, Volume Control and Anode Placement

Recent progress and perspectives in microbial fuel cells for bioenergy generation and wastewater treatment

Bioelectricity generation from pig farm wastewater in microbial fuel cell using carbon brush as electrode

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